<script>
  // 1、拷贝对象
  let person1 = {
    name: "Amy",
    age: 15,
    sex: 0
  }
  //拓展运算符（...）用于取出参数对象所有可遍历属性然后拷贝到当前对象。
  let someone = {
    ...person1
  }
  console.log(someone) //{name: "Amy", age: 15}

  // 2、合并对象
  let age = {
    age: 15
  }
  let name = {
    name: "Amy"
  }
  let person2 = {
    ...age,
    ...name
  }
  console.log(person2) //{age: 15, name: "Amy"}
</script>